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IES-5000/5005/6000 Support Notes
All contents copyright (c) 2008 ZyXEL Communications Corporation.
Ring Topology Application
76
A ring topology provides network redundancy. This means that when a link is down,
the entire network can still be up as traffic is forwarded through another route or
, you must enable
ple.
Setting up a Ring Environment
This section shows you how to set up a ring network using an IES-5000, IES-2000
and an ES-4024 switch. The computers should be able to connect to each other even
though an uplink connection is down. The following sections describes the
configuration steps in detail.
1. IES-5000 settings
1.1 Activating Spanning Tree protocol on Ethernet Ports
Before you set up the ring topology, enable spanning tree protocol on the Ethernet
gateway. However, to prevent network loops in a ring topology
RSTP/STP on the network. The following figure shows a ring network exam
switch
IES-5000
ALC-1248G
SLC-1248G
IES2000
PC
L
m
ADSL/SHDS
mode
PC
Network
PC
Port2
link1
Port1
U
p
link1
U
p
Uplink2
Uplink2
ADSL/SHDSL
modem